SMM764
Preliminary Information
I2C PROGRAMMING INFORMATION (CONTINUED)
S
T
S
T
A
Configuration
Register Address = 87HEX
R
O
P
Master
Slave
Bus Address
Data = 55HEX
T
B
A
2
B
A
1
B
A
0
1
0
0
1
W
1
0
0
0
0
1
1
1
0
1
0
1
0
1
0
1
A
C
K
A
C
K
A
C
K
8HEX
7HEX
5HEX Unlocks
5HEX Unlocks
Configuration
Registers
Write Protection
Register Address
General Purpose
EE
Figure 13 – Write Protection Register Write
S
T
A
R
T
S
T
Configuration
O
P
Master
Slave
Data
Register Address
Bus Address
S
A
0
B
A
2
B
A
1
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
1
0
1
1
W
A
C
K
A
C
K
A
C
K
Figure14 – Configuration Register Byte Write
S
T
A
R
T
Configuration
Master
Bus Address
Data
Register Address
S
A
0
B
A
1
B
A
1
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
D
7
D
6
D
5
D
D
3
D
2
D
1
D
0
1
0
1
1
W
4
Slave
A
C
K
A
C
K
A
C
K
S
T
O
P
Master
Slave
Data (2)
Data (16)
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
D
7
D
6
D
5
D
2
D
1
D
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
A
C
K
A
C
K
A
C
K
Figure 15 – Configuration Register Page Write
Summit Microelectronics, Inc
2098 1.1 6/29/2005
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